Click the Image Type button. The following dialog box appears.
Image Type Name:
The names of predefined settings and any custom settings you
have saved appear in the Image Type Name list.
Pixel Depth:
Select scanning colors from:
42-bit Color
24-bit Color
14-bit Gray
8-bit Gray
Black & White
Scanning Mode:
Select either Best or Draft scanning quality. Select Best when
quality is more important than speed.
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Understanding EPSON TWAIN Features